dude get a sct chip, makes superchips and diablo look like crap imo...you can eliminate the speed limiter, change shift points, in the svt case like mine open the secondaries sooner or later, air fuel mixtures, rev limiter among many other things, you gain alot of power trust me. go to www.hypillauto.com and look at his customer base, and his prices are awsome...his name is wayne tell him i sent you dude and he will give you a discount